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Administration & Architecture
Explore discussions on Databricks administration, deployment strategies, and architectural best practices. Connect with administrators and architects to optimize your Databricks environment for performance, scalability, and security.
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Forum Posts

dprutean
by New Contributor III
  • 2658 Views
  • 1 replies
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JDBC Error with OpenJDK 21

Connecting to Azure Databricks using latest JDBC driver and OpenJDK 21 I got this error. I already set:--add-opens=java.base/java.nio=ALL-UNNAMED-Dio.netty.tryReflectionSetAccessible=true java.sql.SQLException: [Databricks][JDBCDriver](500618) Error ...

  • 2658 Views
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151640
New Contributor III
  • 0 kudos

Version 02.06.38.1068Using SQLSquirrel with ibm-semeru-certified-17-jdk (17.0.11+9)With JRE options --add-opens=jdk.unsupported/sun.misc=ALL-UNNAMED failsShould be  --add-opens=java.base/java.nio=ALL-UNNAMEDcaused by: java.lang.reflect.InaccessibleOb...

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data_bricklayer
by New Contributor III
  • 1181 Views
  • 2 replies
  • 1 kudos

[Metastore] can't assign to workspace in cross Azure Account envirronment

Hi all,hope you are doing well. We have a metastore in tenant A, and workspaces in tenant B. Tenant B has Contributor Role to tenant A, to access the metastore. For some reasons, we can not assign the metastore from tenant A to the workspace in tenan...

  • 1181 Views
  • 2 replies
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Latest Reply
Retired_mod
Esteemed Contributor III
  • 1 kudos

Hi @data_bricklayer, To address this, ensure the Contributor Role in tenant B has the right permissions for tenant A's metastore. Verify that the workspace in tenant B is properly registered and visible in tenant A and that both are in the same regio...

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fonini
by New Contributor III
  • 1894 Views
  • 3 replies
  • 4 kudos

dbutils secrets break matplotlib in recent Databricks runtimes

Using a Databricks cluster running Databricks Runtime version 15.4 LTS Beta, and with no init-scripts, the following code works fine:import numpy as npimport pandas as pddf = pd.DataFrame(np.random.randn(2000, 10))df.plot(subplots=True, figsize=(10, ...

Administration & Architecture
Bug
dbutils
matplotlib
  • 1894 Views
  • 3 replies
  • 4 kudos
Latest Reply
fonini
New Contributor III
  • 4 kudos

OK, I understand the error now:This specific secret is a small alphanumeric string. The probability of it being part of the base64 of a big PNG is quite large.Is there any workaround for this? I know I can't turn off the redaction of secrets. Can I d...

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heathwinning
by New Contributor II
  • 1982 Views
  • 1 replies
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Obtain access of Azure metastore storage account to configure Lifecycle management

I recently set up an Azure Databricks workspace with an automatically created metastore and metastore-level root storage within the metastore blob storage account. All the catalogs, schemas, and tables/volumes have been created without a specified or...

  • 1982 Views
  • 1 replies
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prateekgoyal
by New Contributor II
  • 3989 Views
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Databricks connection pool(ing) using python

I have a python application which I need to connect with databricks (Databricks SQL Connector). The process for that is quite simple -1. connect with dbr2. execute your query3. get the result4. close the connectionExample from - https://docs.databric...

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prateekgoyal
New Contributor II
  • 0 kudos

Hi @Retired_mod, thanks for your reply. I have 2 follow-up questions for you - When you say "consider managing connection lifetimes by closing and recreating them periodically" - the problem I face with this is when my API request comes in and I crea...

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antonuzzo96
by New Contributor III
  • 4830 Views
  • 5 replies
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Resolved! UCX- installation error -

I'm getting the following error when trying to install UCX on  a specific workspace.I have already installed ucx from my machine on other workspace and works, now on this workspace i'm getting this error  ERROR [d.l.blueprint.parallel][installing_das...

  • 4830 Views
  • 5 replies
  • 4 kudos
Latest Reply
Cor
New Contributor III
  • 4 kudos

Issue was resolved in lsql v0.7.4, a ucx dependency: https://github.com/databrickslabs/lsql/releases/tag/v0.7.41. Upgrade the Databricks cli: https://github.com/databricks/cli/releases/2. Upgrade ucx: `databricks labs install ucx`

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cleversuresh
by New Contributor III
  • 1172 Views
  • 1 replies
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vocareum lab showing no workspace found.

Hi,I bought Generative AI Engineering with Databricks lab subscription by paying $75 just to get the hands on experience.The labs worked for one day and then they stop working. Please active the labs ASAP, I am preparing for the certification exam an...

  • 1172 Views
  • 1 replies
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Latest Reply
Retired_mod
Esteemed Contributor III
  • 0 kudos

Hi @cleversuresh, Thank you for sharing your concern with us!   To expedite your request, please list your concerns on our ticketing portal. Our support staff would be able to act faster on the resolution (our standard resolution time is 24-48 hours)...

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StephanieAlba
by Databricks Employee
  • 3141 Views
  • 5 replies
  • 2 kudos

Promoting assets from Dev workspace to Prod

What is the best way to promote Databricks objects from one workspace to another? For example, DABs are great for code and models. However, SQL alerts do not seem to fall into DABs. The API allows for retrieving queries and creating them via API in t...

  • 3141 Views
  • 5 replies
  • 2 kudos
Latest Reply
NandiniN
Databricks Employee
  • 2 kudos

https://docs.databricks.com/api/workspace/queries https://docs.databricks.com/en/sql/dbsql-api-latest.html#changes-to-the-alerts-api The API path is now api/2.0/sql/alerts, replacing the legacy path of /api/2.0/preview/sql/alerts. https://docs.databr...

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millie_dbrx_use
by New Contributor
  • 1261 Views
  • 1 replies
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System Tables

Hi,I've recently enabled the billing schema in system tables, but still not able to view it in catalog. I am both an account admin and workspace admin, as well as an owner of the workspace in Azure. A colleague (who used to be Azure AD admin but no l...

  • 1261 Views
  • 1 replies
  • 1 kudos
ag2all
by New Contributor
  • 1442 Views
  • 1 replies
  • 1 kudos

Databricks + Apache Iceberg = advantageous or wasted effort due to duplicate functionality ?

Trying to design a Lakehouse. Spark is at the base layer. Now wondering if adding Apache Iceberg sitting below Spark will be of help, or, not ? Preferring Iceberg for its auto indexing, ACID query facilities over big hetergenous datasets. Wonder if i...

  • 1442 Views
  • 1 replies
  • 1 kudos
Latest Reply
holly
Databricks Employee
  • 1 kudos

Hello, if you're planning on building your own open source stack of spark+iceberg, it can be a good choice.  If you're on Databricks, however, you're going to miss out a *lot* on delta features that are baked into the platform. Specifically compute +...

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data_bricklayer
by New Contributor III
  • 5386 Views
  • 4 replies
  • 3 kudos

Resolved! [VNET injection] Container and container subnet

Hi,I was researching everywhere and could not find the answer. I understand that when workspace is created, it has 2 subnets, host and container. The VM, which runs the Databricks container, is in host subnet, which logically means the container is a...

  • 5386 Views
  • 4 replies
  • 3 kudos
Latest Reply
szymon_dybczak
Esteemed Contributor III
  • 3 kudos

Hi @data_bricklayer ,Public Subnet (host): The public subnet is typically used for resources that need to communicate with the internet or other Azure services. In Azure Databricks, this subnet is used for driver nodes of the clusters that require ou...

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PetrSindelar
by New Contributor II
  • 6300 Views
  • 3 replies
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Connecting external location from a different tenant in Azure

Hi,we have a setup with 2 different Azure tenants. In tenant A we have a storage account that we want to connect as an external location to a databricks workspace in the tenant B. For that we have established a private endpoint from the storage accou...

  • 6300 Views
  • 3 replies
  • 2 kudos
Latest Reply
Behwar
New Contributor III
  • 2 kudos

It would be superb to connect between two tenants with Azure Databricks Access Connector

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TheManOfSteele
by New Contributor III
  • 4395 Views
  • 1 replies
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Resolved! Prevent service principal UUID from appearing on job name

Hello!I am using service principal id to authenticate my databricks bundle. But when the job runs, this id is automatically appended to both the name and tags column on the jobs run page. In my databricks.yml file I have name: "[${var.environment}]" ...

  • 4395 Views
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breaka
New Contributor III
  • 0 kudos

Hi!Sounds like the "development" mode. DAB will automatically prefix your jobname with <env> <user name> if you set "mode" to "development" in the databricks.yml file. The name lookup for service principals apparently doesn't work nicely and you get ...

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Maria_S
by New Contributor III
  • 2726 Views
  • 4 replies
  • 5 kudos

Why all workspace users can see my user folder

Hi, I am a Databricks account admin user with admin access to our workspace. My user folder for some reason is visible to all workspace users. I have checked permissions settings where possible and cannot see anything that would indicate fully shared...

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  • 2726 Views
  • 4 replies
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Latest Reply
Aviral-Bhardwaj
Esteemed Contributor III
  • 5 kudos

workspace is visible for all , you have to make changes in Admin console ,you will find this feature there to disable it 

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